Portion of a golf club head



FIG. 1 is an elevational view of a portion of a golf club head showingmy new design;

FIG. 2 is a perspective view thereof; and,

FIG. 3 is a bottom view thereof.

The broken line showing of the remainder of the golf club head is forillustrative purposes only and forms no part of the claimed design.

The ornamental design for a portion of a golf club head, as shown anddescribed.